Registration Dossier
Registration Dossier
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EC number: 616-054-9 | CAS number: 74149-74-9
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2012
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- N-[2-amino-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl]-4-methoxybenzamide
- EC Number:
- 616-054-9
- Cas Number:
- 74149-74-9
- Molecular formula:
- C19 H20 N4 O3
- IUPAC Name:
- N-[2-amino-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl]-4-methoxybenzamide
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- brown odorless powder
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- other: microorganism inoculum from natural superficial water
- Duration of test (contact time):
- 28 d
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- 48
- Sampling time:
- 14 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 59.3
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- other: not easily biodegradable
- Conclusions:
- The test substance is not easily biodegradable.
- Executive summary:
Aminopyridazinone is a not easily biodegradable substance.
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